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प्रश्न
Garima observed that when she left her tightly capped bottle full of water in the open sunlight, tiny bubbles were formed all around inside the bottle. Help Garima to know why it so happened?
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उत्तर
We know that air is present in water in the form of oxygen. Due to heating from the sunlight, the air that was dissolved in water started escaping. This escape of air resulted in tiny bubbles formed all around inside the water filled bottle.
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संबंधित प्रश्न
Fill in the blank
The reddish-brown powder on the surface of iron nails exposed to air and moisture is called _____.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air used in photosynthesis is ______ and the products of photosynthesis is oxygen.
Name the following:
The product formed when phosphorus burns in oxygen.
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Solvay process is a method to manufacture
A ______ gas that is used to remove carbon impurities from the steel.
Nitrogen is an essential element present in proteins and nucleic acids which are the building blocks of living things.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
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- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
